One of three sea nymphs, – or, according to some writers,
of two, – said to frequent an island near the coast of Italy, and to
sing with such sweetness that they lured mariners to destruction.

An enticing, dangerous woman.

Something which is insidious or deceptive.

A mermaid.

An instrument for producing musical tones and for
ascertaining the number of sound waves or vibrations per second which
produce a note of a given pitch. The sounds are produced by a
perforated rotating disk or disks. A form with two disks operated by
steam or highly compressed air is used sounding an alarm to vessels in
fog.

Of or pertaining to a siren; bewitching, like a siren;
fascinating; alluring; as, a siren song.